Home / 127,333.36-175,537.56-89,490.16

Finding the Fourth Proportional to 127,333.36, 175,537.56 and 89,490.16

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Solution

The fourth proportional to 127,333.36, 175,537.56 and 89,490.16 is: 123,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,333.36 : 175,537.56 = 89,490.16 : x
  2. Step 2: Convert to fraction form
    127,333.36/175,537.56 = 89,490.16/x
  3. Step 3: Cross multiply
    127,333.36x = 175,537.56 × 89,490.16
  4. Step 4: Simplify right side
    127,333.36x = 15,708,884,330.41
  5. Step 5: Solve for x
    x = 15,708,884,330.41/127,333.36
  6. Step 6: Final answer
    x = 123,368.18

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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.