Home / 180,559.23-249,168.65-99,985.02

Finding the Fourth Proportional to 180,559.23, 249,168.65 and 99,985.02

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Solution

The fourth proportional to 180,559.23, 249,168.65 and 99,985.02 is: 137,977.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,559.23 : 249,168.65 = 99,985.02 : x
  2. Step 2: Convert to fraction form
    180,559.23/249,168.65 = 99,985.02/x
  3. Step 3: Cross multiply
    180,559.23x = 249,168.65 × 99,985.02
  4. Step 4: Simplify right side
    180,559.23x = 24,913,131,953.70
  5. Step 5: Solve for x
    x = 24,913,131,953.70/180,559.23
  6. Step 6: Final answer
    x = 137,977.62

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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.