Home / 145,909.80-201,321.23-88,547.84

Finding the Fourth Proportional to 145,909.80, 201,321.23 and 88,547.84

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Solution

The fourth proportional to 145,909.80, 201,321.23 and 88,547.84 is: 122,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,909.80 : 201,321.23 = 88,547.84 : x
  2. Step 2: Convert to fraction form
    145,909.80/201,321.23 = 88,547.84/x
  3. Step 3: Cross multiply
    145,909.80x = 201,321.23 × 88,547.84
  4. Step 4: Simplify right side
    145,909.80x = 17,826,559,532.13
  5. Step 5: Solve for x
    x = 17,826,559,532.13/145,909.80
  6. Step 6: Final answer
    x = 122,175.21

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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.