Home / 153,459.42-230,188.62-69,120.86

Finding the Fourth Proportional to 153,459.42, 230,188.62 and 69,120.86

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Solution

The fourth proportional to 153,459.42, 230,188.62 and 69,120.86 is: 103,681.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,459.42 : 230,188.62 = 69,120.86 : x
  2. Step 2: Convert to fraction form
    153,459.42/230,188.62 = 69,120.86/x
  3. Step 3: Cross multiply
    153,459.42x = 230,188.62 × 69,120.86
  4. Step 4: Simplify right side
    153,459.42x = 15,910,835,376.61
  5. Step 5: Solve for x
    x = 15,910,835,376.61/153,459.42
  6. Step 6: Final answer
    x = 103,681.06

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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.