Home / 154,142.74-231,225.45-65,386.18

Finding the Fourth Proportional to 154,142.74, 231,225.45 and 65,386.18

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Solution

The fourth proportional to 154,142.74, 231,225.45 and 65,386.18 is: 98,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,142.74 : 231,225.45 = 65,386.18 : x
  2. Step 2: Convert to fraction form
    154,142.74/231,225.45 = 65,386.18/x
  3. Step 3: Cross multiply
    154,142.74x = 231,225.45 × 65,386.18
  4. Step 4: Simplify right side
    154,142.74x = 15,118,948,894.28
  5. Step 5: Solve for x
    x = 15,118,948,894.28/154,142.74
  6. Step 6: Final answer
    x = 98,084.08

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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.