Home / 105,525.44-158,290.18-38,931.30

Finding the Fourth Proportional to 105,525.44, 158,290.18 and 38,931.30

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Solution

The fourth proportional to 105,525.44, 158,290.18 and 38,931.30 is: 58,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,525.44 : 158,290.18 = 38,931.30 : x
  2. Step 2: Convert to fraction form
    105,525.44/158,290.18 = 38,931.30/x
  3. Step 3: Cross multiply
    105,525.44x = 158,290.18 × 38,931.30
  4. Step 4: Simplify right side
    105,525.44x = 6,162,442,484.63
  5. Step 5: Solve for x
    x = 6,162,442,484.63/105,525.44
  6. Step 6: Final answer
    x = 58,397.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.