Home / 157,079.04-216,767.36-85,457.92

Finding the Fourth Proportional to 157,079.04, 216,767.36 and 85,457.92

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Solution

The fourth proportional to 157,079.04, 216,767.36 and 85,457.92 is: 117,931.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.04 : 216,767.36 = 85,457.92 : x
  2. Step 2: Convert to fraction form
    157,079.04/216,767.36 = 85,457.92/x
  3. Step 3: Cross multiply
    157,079.04x = 216,767.36 × 85,457.92
  4. Step 4: Simplify right side
    157,079.04x = 18,524,487,709.49
  5. Step 5: Solve for x
    x = 18,524,487,709.49/157,079.04
  6. Step 6: Final answer
    x = 117,931.00

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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.