Home / 157,740.40-236,610.60-155,148.40

Finding the Fourth Proportional to 157,740.40, 236,610.60 and 155,148.40

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Solution

The fourth proportional to 157,740.40, 236,610.60 and 155,148.40 is: 232,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,740.40 : 236,610.60 = 155,148.40 : x
  2. Step 2: Convert to fraction form
    157,740.40/236,610.60 = 155,148.40/x
  3. Step 3: Cross multiply
    157,740.40x = 236,610.60 × 155,148.40
  4. Step 4: Simplify right side
    157,740.40x = 36,709,756,013.04
  5. Step 5: Solve for x
    x = 36,709,756,013.04/157,740.40
  6. Step 6: Final answer
    x = 232,722.60

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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.