Home / 116,293.32-160,561.80-89,386.20

Finding the Fourth Proportional to 116,293.32, 160,561.80 and 89,386.20

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Solution

The fourth proportional to 116,293.32, 160,561.80 and 89,386.20 is: 123,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,293.32 : 160,561.80 = 89,386.20 : x
  2. Step 2: Convert to fraction form
    116,293.32/160,561.80 = 89,386.20/x
  3. Step 3: Cross multiply
    116,293.32x = 160,561.80 × 89,386.20
  4. Step 4: Simplify right side
    116,293.32x = 14,352,009,167.16
  5. Step 5: Solve for x
    x = 14,352,009,167.16/116,293.32
  6. Step 6: Final answer
    x = 123,412.15

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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.