Home / 90,178.04-124,485.56-53,892.29

Finding the Fourth Proportional to 90,178.04, 124,485.56 and 53,892.29

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Solution

The fourth proportional to 90,178.04, 124,485.56 and 53,892.29 is: 74,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,178.04 : 124,485.56 = 53,892.29 : x
  2. Step 2: Convert to fraction form
    90,178.04/124,485.56 = 53,892.29/x
  3. Step 3: Cross multiply
    90,178.04x = 124,485.56 × 53,892.29
  4. Step 4: Simplify right side
    90,178.04x = 6,708,812,144.18
  5. Step 5: Solve for x
    x = 6,708,812,144.18/90,178.04
  6. Step 6: Final answer
    x = 74,395.18

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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.