Home / 153,575.64-230,215.50-78,730.92

Finding the Fourth Proportional to 153,575.64, 230,215.50 and 78,730.92

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Solution

The fourth proportional to 153,575.64, 230,215.50 and 78,730.92 is: 118,020.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,575.64 : 230,215.50 = 78,730.92 : x
  2. Step 2: Convert to fraction form
    153,575.64/230,215.50 = 78,730.92/x
  3. Step 3: Cross multiply
    153,575.64x = 230,215.50 × 78,730.92
  4. Step 4: Simplify right side
    153,575.64x = 18,125,078,113.26
  5. Step 5: Solve for x
    x = 18,125,078,113.26/153,575.64
  6. Step 6: Final answer
    x = 118,020.53

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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.