Home / 118,814.10-178,254.18-96,572.40

Finding the Fourth Proportional to 118,814.10, 178,254.18 and 96,572.40

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Solution

The fourth proportional to 118,814.10, 178,254.18 and 96,572.40 is: 144,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,814.10 : 178,254.18 = 96,572.40 : x
  2. Step 2: Convert to fraction form
    118,814.10/178,254.18 = 96,572.40/x
  3. Step 3: Cross multiply
    118,814.10x = 178,254.18 × 96,572.40
  4. Step 4: Simplify right side
    118,814.10x = 17,214,433,972.63
  5. Step 5: Solve for x
    x = 17,214,433,972.63/118,814.10
  6. Step 6: Final answer
    x = 144,885.45

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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.