Home / 137,281.32-205,547.46-103,900.41

Finding the Fourth Proportional to 137,281.32, 205,547.46 and 103,900.41

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Solution

The fourth proportional to 137,281.32, 205,547.46 and 103,900.41 is: 155,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,281.32 : 205,547.46 = 103,900.41 : x
  2. Step 2: Convert to fraction form
    137,281.32/205,547.46 = 103,900.41/x
  3. Step 3: Cross multiply
    137,281.32x = 205,547.46 × 103,900.41
  4. Step 4: Simplify right side
    137,281.32x = 21,356,465,368.46
  5. Step 5: Solve for x
    x = 21,356,465,368.46/137,281.32
  6. Step 6: Final answer
    x = 155,567.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.