Home / 157,740.72-236,343.84-95,280

Finding the Fourth Proportional to 157,740.72, 236,343.84 and 95,280

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Solution

The fourth proportional to 157,740.72, 236,343.84 and 95,280 is: 142,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,740.72 : 236,343.84 = 95,280 : x
  2. Step 2: Convert to fraction form
    157,740.72/236,343.84 = 95,280/x
  3. Step 3: Cross multiply
    157,740.72x = 236,343.84 × 95,280
  4. Step 4: Simplify right side
    157,740.72x = 22,518,841,075.20
  5. Step 5: Solve for x
    x = 22,518,841,075.20/157,740.72
  6. Step 6: Final answer
    x = 142,758.58

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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.