Home / 153,444.12-230,018.55-78,599.52

Finding the Fourth Proportional to 153,444.12, 230,018.55 and 78,599.52

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Solution

The fourth proportional to 153,444.12, 230,018.55 and 78,599.52 is: 117,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,444.12 : 230,018.55 = 78,599.52 : x
  2. Step 2: Convert to fraction form
    153,444.12/230,018.55 = 78,599.52/x
  3. Step 3: Cross multiply
    153,444.12x = 230,018.55 × 78,599.52
  4. Step 4: Simplify right side
    153,444.12x = 18,079,346,471.00
  5. Step 5: Solve for x
    x = 18,079,346,471.00/153,444.12
  6. Step 6: Final answer
    x = 117,823.65

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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.