Home / 180,455.38-249,030.63-99,890.42

Finding the Fourth Proportional to 180,455.38, 249,030.63 and 99,890.42

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Solution

The fourth proportional to 180,455.38, 249,030.63 and 99,890.42 is: 137,850.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,455.38 : 249,030.63 = 99,890.42 : x
  2. Step 2: Convert to fraction form
    180,455.38/249,030.63 = 99,890.42/x
  3. Step 3: Cross multiply
    180,455.38x = 249,030.63 × 99,890.42
  4. Step 4: Simplify right side
    180,455.38x = 24,875,772,978.41
  5. Step 5: Solve for x
    x = 24,875,772,978.41/180,455.38
  6. Step 6: Final answer
    x = 137,850.00

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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.