Home / 224,079.81-309,237.93-122,113.65

Finding the Fourth Proportional to 224,079.81, 309,237.93 and 122,113.65

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Solution

The fourth proportional to 224,079.81, 309,237.93 and 122,113.65 is: 168,521.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,079.81 : 309,237.93 = 122,113.65 : x
  2. Step 2: Convert to fraction form
    224,079.81/309,237.93 = 122,113.65/x
  3. Step 3: Cross multiply
    224,079.81x = 309,237.93 × 122,113.65
  4. Step 4: Simplify right side
    224,079.81x = 37,762,172,350.74
  5. Step 5: Solve for x
    x = 37,762,172,350.74/224,079.81
  6. Step 6: Final answer
    x = 168,521.08

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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.