Home / 111,116.90-166,675.35-103,681.10

Finding the Fourth Proportional to 111,116.90, 166,675.35 and 103,681.10

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Solution

The fourth proportional to 111,116.90, 166,675.35 and 103,681.10 is: 155,521.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,116.90 : 166,675.35 = 103,681.10 : x
  2. Step 2: Convert to fraction form
    111,116.90/166,675.35 = 103,681.10/x
  3. Step 3: Cross multiply
    111,116.90x = 166,675.35 × 103,681.10
  4. Step 4: Simplify right side
    111,116.90x = 17,281,083,630.89
  5. Step 5: Solve for x
    x = 17,281,083,630.89/111,116.90
  6. Step 6: Final answer
    x = 155,521.65

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1.5x scale

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.