Home / 112,903.16-155,677.89-92,420.07

Finding the Fourth Proportional to 112,903.16, 155,677.89 and 92,420.07

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Solution

The fourth proportional to 112,903.16, 155,677.89 and 92,420.07 is: 127,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,903.16 : 155,677.89 = 92,420.07 : x
  2. Step 2: Convert to fraction form
    112,903.16/155,677.89 = 92,420.07/x
  3. Step 3: Cross multiply
    112,903.16x = 155,677.89 × 92,420.07
  4. Step 4: Simplify right side
    112,903.16x = 14,387,761,491.25
  5. Step 5: Solve for x
    x = 14,387,761,491.25/112,903.16
  6. Step 6: Final answer
    x = 127,434.54

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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.