Home / 153,985.59-231,088.95-65,263.86

Finding the Fourth Proportional to 153,985.59, 231,088.95 and 65,263.86

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Solution

The fourth proportional to 153,985.59, 231,088.95 and 65,263.86 is: 97,942.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,985.59 : 231,088.95 = 65,263.86 : x
  2. Step 2: Convert to fraction form
    153,985.59/231,088.95 = 65,263.86/x
  3. Step 3: Cross multiply
    153,985.59x = 231,088.95 × 65,263.86
  4. Step 4: Simplify right side
    153,985.59x = 15,081,756,880.35
  5. Step 5: Solve for x
    x = 15,081,756,880.35/153,985.59
  6. Step 6: Final answer
    x = 97,942.65

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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.