Home / 180,549.89-249,155.76-99,975.68

Finding the Fourth Proportional to 180,549.89, 249,155.76 and 99,975.68

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Solution

The fourth proportional to 180,549.89, 249,155.76 and 99,975.68 is: 137,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,549.89 : 249,155.76 = 99,975.68 : x
  2. Step 2: Convert to fraction form
    180,549.89/249,155.76 = 99,975.68/x
  3. Step 3: Cross multiply
    180,549.89x = 249,155.76 × 99,975.68
  4. Step 4: Simplify right side
    180,549.89x = 24,909,516,531.92
  5. Step 5: Solve for x
    x = 24,909,516,531.92/180,549.89
  6. Step 6: Final answer
    x = 137,964.73

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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.