Home / 153,303.90-229,967.31-40,981.53

Finding the Fourth Proportional to 153,303.90, 229,967.31 and 40,981.53

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Solution

The fourth proportional to 153,303.90, 229,967.31 and 40,981.53 is: 61,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,303.90 : 229,967.31 = 40,981.53 : x
  2. Step 2: Convert to fraction form
    153,303.90/229,967.31 = 40,981.53/x
  3. Step 3: Cross multiply
    153,303.90x = 229,967.31 × 40,981.53
  4. Step 4: Simplify right side
    153,303.90x = 9,424,412,213.78
  5. Step 5: Solve for x
    x = 9,424,412,213.78/153,303.90
  6. Step 6: Final answer
    x = 61,475.36

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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.