Home / 107,008.26-147,701.80-64,569.54

Finding the Fourth Proportional to 107,008.26, 147,701.80 and 64,569.54

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Solution

The fourth proportional to 107,008.26, 147,701.80 and 64,569.54 is: 89,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,008.26 : 147,701.80 = 64,569.54 : x
  2. Step 2: Convert to fraction form
    107,008.26/147,701.80 = 64,569.54/x
  3. Step 3: Cross multiply
    107,008.26x = 147,701.80 × 64,569.54
  4. Step 4: Simplify right side
    107,008.26x = 9,537,037,283.17
  5. Step 5: Solve for x
    x = 9,537,037,283.17/107,008.26
  6. Step 6: Final answer
    x = 89,124.31

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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.