Home / 153,234.10-229,851.15-70,128.10

Finding the Fourth Proportional to 153,234.10, 229,851.15 and 70,128.10

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Solution

The fourth proportional to 153,234.10, 229,851.15 and 70,128.10 is: 105,192.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,234.10 : 229,851.15 = 70,128.10 : x
  2. Step 2: Convert to fraction form
    153,234.10/229,851.15 = 70,128.10/x
  3. Step 3: Cross multiply
    153,234.10x = 229,851.15 × 70,128.10
  4. Step 4: Simplify right side
    153,234.10x = 16,119,024,432.32
  5. Step 5: Solve for x
    x = 16,119,024,432.32/153,234.10
  6. Step 6: Final answer
    x = 105,192.15

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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.