Home / 224,756.28-310,159.76-122,779.13

Finding the Fourth Proportional to 224,756.28, 310,159.76 and 122,779.13

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Solution

The fourth proportional to 224,756.28, 310,159.76 and 122,779.13 is: 169,433.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,756.28 : 310,159.76 = 122,779.13 : x
  2. Step 2: Convert to fraction form
    224,756.28/310,159.76 = 122,779.13/x
  3. Step 3: Cross multiply
    224,756.28x = 310,159.76 × 122,779.13
  4. Step 4: Simplify right side
    224,756.28x = 38,081,143,329.11
  5. Step 5: Solve for x
    x = 38,081,143,329.11/224,756.28
  6. Step 6: Final answer
    x = 169,433.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.