Home / 148,307.21-204,681.92-83,779.17

Finding the Fourth Proportional to 148,307.21, 204,681.92 and 83,779.17

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Solution

The fourth proportional to 148,307.21, 204,681.92 and 83,779.17 is: 115,625.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,307.21 : 204,681.92 = 83,779.17 : x
  2. Step 2: Convert to fraction form
    148,307.21/204,681.92 = 83,779.17/x
  3. Step 3: Cross multiply
    148,307.21x = 204,681.92 × 83,779.17
  4. Step 4: Simplify right side
    148,307.21x = 17,148,081,371.61
  5. Step 5: Solve for x
    x = 17,148,081,371.61/148,307.21
  6. Step 6: Final answer
    x = 115,625.41

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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.