Home / 257,132.84-385,948.02-124,106.74

Finding the Fourth Proportional to 257,132.84, 385,948.02 and 124,106.74

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Solution

The fourth proportional to 257,132.84, 385,948.02 and 124,106.74 is: 186,280.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,132.84 : 385,948.02 = 124,106.74 : x
  2. Step 2: Convert to fraction form
    257,132.84/385,948.02 = 124,106.74/x
  3. Step 3: Cross multiply
    257,132.84x = 385,948.02 × 124,106.74
  4. Step 4: Simplify right side
    257,132.84x = 47,898,750,571.65
  5. Step 5: Solve for x
    x = 47,898,750,571.65/257,132.84
  6. Step 6: Final answer
    x = 186,280.18

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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.