Home / 142,455.40-213,673.02-48,959.08

Finding the Fourth Proportional to 142,455.40, 213,673.02 and 48,959.08

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Solution

The fourth proportional to 142,455.40, 213,673.02 and 48,959.08 is: 73,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,455.40 : 213,673.02 = 48,959.08 : x
  2. Step 2: Convert to fraction form
    142,455.40/213,673.02 = 48,959.08/x
  3. Step 3: Cross multiply
    142,455.40x = 213,673.02 × 48,959.08
  4. Step 4: Simplify right side
    142,455.40x = 10,461,234,480.02
  5. Step 5: Solve for x
    x = 10,461,234,480.02/142,455.40
  6. Step 6: Final answer
    x = 73,435.16

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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.