Home / 157,075.30-235,612.95-112,788.55

Finding the Fourth Proportional to 157,075.30, 235,612.95 and 112,788.55

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Solution

The fourth proportional to 157,075.30, 235,612.95 and 112,788.55 is: 169,182.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,075.30 : 235,612.95 = 112,788.55 : x
  2. Step 2: Convert to fraction form
    157,075.30/235,612.95 = 112,788.55/x
  3. Step 3: Cross multiply
    157,075.30x = 235,612.95 × 112,788.55
  4. Step 4: Simplify right side
    157,075.30x = 26,574,442,991.72
  5. Step 5: Solve for x
    x = 26,574,442,991.72/157,075.30
  6. Step 6: Final answer
    x = 169,182.83

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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.