Home / 104,465.13-144,151.95-64,172.39

Finding the Fourth Proportional to 104,465.13, 144,151.95 and 64,172.39

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Solution

The fourth proportional to 104,465.13, 144,151.95 and 64,172.39 is: 88,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,465.13 : 144,151.95 = 64,172.39 : x
  2. Step 2: Convert to fraction form
    104,465.13/144,151.95 = 64,172.39/x
  3. Step 3: Cross multiply
    104,465.13x = 144,151.95 × 64,172.39
  4. Step 4: Simplify right side
    104,465.13x = 9,250,574,433.90
  5. Step 5: Solve for x
    x = 9,250,574,433.90/104,465.13
  6. Step 6: Final answer
    x = 88,551.79

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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.