Home / 103,417.56-142,770.36-69,603.84

Finding the Fourth Proportional to 103,417.56, 142,770.36 and 69,603.84

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Solution

The fourth proportional to 103,417.56, 142,770.36 and 69,603.84 is: 96,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,417.56 : 142,770.36 = 69,603.84 : x
  2. Step 2: Convert to fraction form
    103,417.56/142,770.36 = 69,603.84/x
  3. Step 3: Cross multiply
    103,417.56x = 142,770.36 × 69,603.84
  4. Step 4: Simplify right side
    103,417.56x = 9,937,365,294.18
  5. Step 5: Solve for x
    x = 9,937,365,294.18/103,417.56
  6. Step 6: Final answer
    x = 96,089.73

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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.