Home / 103,937.30-143,437.65-58,000.96

Finding the Fourth Proportional to 103,937.30, 143,437.65 and 58,000.96

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Solution

The fourth proportional to 103,937.30, 143,437.65 and 58,000.96 is: 80,043.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,937.30 : 143,437.65 = 58,000.96 : x
  2. Step 2: Convert to fraction form
    103,937.30/143,437.65 = 58,000.96/x
  3. Step 3: Cross multiply
    103,937.30x = 143,437.65 × 58,000.96
  4. Step 4: Simplify right side
    103,937.30x = 8,319,521,400.14
  5. Step 5: Solve for x
    x = 8,319,521,400.14/103,937.30
  6. Step 6: Final answer
    x = 80,043.66

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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.