Home / 153,314.04-229,971.10-68,975.70

Finding the Fourth Proportional to 153,314.04, 229,971.10 and 68,975.70

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Solution

The fourth proportional to 153,314.04, 229,971.10 and 68,975.70 is: 103,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,314.04 : 229,971.10 = 68,975.70 : x
  2. Step 2: Convert to fraction form
    153,314.04/229,971.10 = 68,975.70/x
  3. Step 3: Cross multiply
    153,314.04x = 229,971.10 × 68,975.70
  4. Step 4: Simplify right side
    153,314.04x = 15,862,417,602.27
  5. Step 5: Solve for x
    x = 15,862,417,602.27/153,314.04
  6. Step 6: Final answer
    x = 103,463.57

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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.