Home / 103,586.04-155,386.86-28,705.32

Finding the Fourth Proportional to 103,586.04, 155,386.86 and 28,705.32

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Solution

The fourth proportional to 103,586.04, 155,386.86 and 28,705.32 is: 43,060.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,586.04 : 155,386.86 = 28,705.32 : x
  2. Step 2: Convert to fraction form
    103,586.04/155,386.86 = 28,705.32/x
  3. Step 3: Cross multiply
    103,586.04x = 155,386.86 × 28,705.32
  4. Step 4: Simplify right side
    103,586.04x = 4,460,429,540.10
  5. Step 5: Solve for x
    x = 4,460,429,540.10/103,586.04
  6. Step 6: Final answer
    x = 43,060.14

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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.