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Finding the Fourth Proportional to 173,457.92, 239,411.92 and 112,923.12

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Solution

The fourth proportional to 173,457.92, 239,411.92 and 112,923.12 is: 155,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,457.92 : 239,411.92 = 112,923.12 : x
  2. Step 2: Convert to fraction form
    173,457.92/239,411.92 = 112,923.12/x
  3. Step 3: Cross multiply
    173,457.92x = 239,411.92 × 112,923.12
  4. Step 4: Simplify right side
    173,457.92x = 27,035,140,971.59
  5. Step 5: Solve for x
    x = 27,035,140,971.59/173,457.92
  6. Step 6: Final answer
    x = 155,859.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.