Home / 103,803.38-143,248.66-56,056.73

Finding the Fourth Proportional to 103,803.38, 143,248.66 and 56,056.73

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Solution

The fourth proportional to 103,803.38, 143,248.66 and 56,056.73 is: 77,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,803.38 : 143,248.66 = 56,056.73 : x
  2. Step 2: Convert to fraction form
    103,803.38/143,248.66 = 56,056.73/x
  3. Step 3: Cross multiply
    103,803.38x = 143,248.66 × 56,056.73
  4. Step 4: Simplify right side
    103,803.38x = 8,030,050,600.10
  5. Step 5: Solve for x
    x = 8,030,050,600.10/103,803.38
  6. Step 6: Final answer
    x = 77,358.28

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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.