Home / 157,437.10-236,155.65-148,907.80

Finding the Fourth Proportional to 157,437.10, 236,155.65 and 148,907.80

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Solution

The fourth proportional to 157,437.10, 236,155.65 and 148,907.80 is: 223,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,437.10 : 236,155.65 = 148,907.80 : x
  2. Step 2: Convert to fraction form
    157,437.10/236,155.65 = 148,907.80/x
  3. Step 3: Cross multiply
    157,437.10x = 236,155.65 × 148,907.80
  4. Step 4: Simplify right side
    157,437.10x = 35,165,418,299.07
  5. Step 5: Solve for x
    x = 35,165,418,299.07/157,437.10
  6. Step 6: Final answer
    x = 223,361.70

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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.