Home / 180,549.63-249,158.46-99,977.13

Finding the Fourth Proportional to 180,549.63, 249,158.46 and 99,977.13

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Solution

The fourth proportional to 180,549.63, 249,158.46 and 99,977.13 is: 137,968.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,549.63 : 249,158.46 = 99,977.13 : x
  2. Step 2: Convert to fraction form
    180,549.63/249,158.46 = 99,977.13/x
  3. Step 3: Cross multiply
    180,549.63x = 249,158.46 × 99,977.13
  4. Step 4: Simplify right side
    180,549.63x = 24,910,147,746.02
  5. Step 5: Solve for x
    x = 24,910,147,746.02/180,549.63
  6. Step 6: Final answer
    x = 137,968.42

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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.