Home / 208,210.54-287,331.19-112,717.01

Finding the Fourth Proportional to 208,210.54, 287,331.19 and 112,717.01

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Solution

The fourth proportional to 208,210.54, 287,331.19 and 112,717.01 is: 155,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,210.54 : 287,331.19 = 112,717.01 : x
  2. Step 2: Convert to fraction form
    208,210.54/287,331.19 = 112,717.01/x
  3. Step 3: Cross multiply
    208,210.54x = 287,331.19 × 112,717.01
  4. Step 4: Simplify right side
    208,210.54x = 32,387,112,616.54
  5. Step 5: Solve for x
    x = 32,387,112,616.54/208,210.54
  6. Step 6: Final answer
    x = 155,549.82

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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.