Home / 116,161.29-160,355.70-89,294.40

Finding the Fourth Proportional to 116,161.29, 160,355.70 and 89,294.40

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Solution

The fourth proportional to 116,161.29, 160,355.70 and 89,294.40 is: 123,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,161.29 : 160,355.70 = 89,294.40 : x
  2. Step 2: Convert to fraction form
    116,161.29/160,355.70 = 89,294.40/x
  3. Step 3: Cross multiply
    116,161.29x = 160,355.70 × 89,294.40
  4. Step 4: Simplify right side
    116,161.29x = 14,318,866,018.08
  5. Step 5: Solve for x
    x = 14,318,866,018.08/116,161.29
  6. Step 6: Final answer
    x = 123,267.11

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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.