Home / 158,854.13-219,267.90-102,265.50

Finding the Fourth Proportional to 158,854.13, 219,267.90 and 102,265.50

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Solution

The fourth proportional to 158,854.13, 219,267.90 and 102,265.50 is: 141,158.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,854.13 : 219,267.90 = 102,265.50 : x
  2. Step 2: Convert to fraction form
    158,854.13/219,267.90 = 102,265.50/x
  3. Step 3: Cross multiply
    158,854.13x = 219,267.90 × 102,265.50
  4. Step 4: Simplify right side
    158,854.13x = 22,423,541,427.45
  5. Step 5: Solve for x
    x = 22,423,541,427.45/158,854.13
  6. Step 6: Final answer
    x = 141,158.07

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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.