Home / 104,490.30-144,240.75-70,544.76

Finding the Fourth Proportional to 104,490.30, 144,240.75 and 70,544.76

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Solution

The fourth proportional to 104,490.30, 144,240.75 and 70,544.76 is: 97,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.30 : 144,240.75 = 70,544.76 : x
  2. Step 2: Convert to fraction form
    104,490.30/144,240.75 = 70,544.76/x
  3. Step 3: Cross multiply
    104,490.30x = 144,240.75 × 70,544.76
  4. Step 4: Simplify right side
    104,490.30x = 10,175,429,275.21
  5. Step 5: Solve for x
    x = 10,175,429,275.21/104,490.30
  6. Step 6: Final answer
    x = 97,381.57

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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.