Home / 107,521.60-148,388.78-59,779.40

Finding the Fourth Proportional to 107,521.60, 148,388.78 and 59,779.40

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Solution

The fourth proportional to 107,521.60, 148,388.78 and 59,779.40 is: 82,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,521.60 : 148,388.78 = 59,779.40 : x
  2. Step 2: Convert to fraction form
    107,521.60/148,388.78 = 59,779.40/x
  3. Step 3: Cross multiply
    107,521.60x = 148,388.78 × 59,779.40
  4. Step 4: Simplify right side
    107,521.60x = 8,870,592,235.13
  5. Step 5: Solve for x
    x = 8,870,592,235.13/107,521.60
  6. Step 6: Final answer
    x = 82,500.56

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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.