Home / 163,760.60-245,641.02-45,432.05

Finding the Fourth Proportional to 163,760.60, 245,641.02 and 45,432.05

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Solution

The fourth proportional to 163,760.60, 245,641.02 and 45,432.05 is: 68,148.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,760.60 : 245,641.02 = 45,432.05 : x
  2. Step 2: Convert to fraction form
    163,760.60/245,641.02 = 45,432.05/x
  3. Step 3: Cross multiply
    163,760.60x = 245,641.02 × 45,432.05
  4. Step 4: Simplify right side
    163,760.60x = 11,159,975,716.79
  5. Step 5: Solve for x
    x = 11,159,975,716.79/163,760.60
  6. Step 6: Final answer
    x = 68,148.11

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1.5x scale

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.