Home / 103,477.24-142,685.58-69,884.92

Finding the Fourth Proportional to 103,477.24, 142,685.58 and 69,884.92

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Solution

The fourth proportional to 103,477.24, 142,685.58 and 69,884.92 is: 96,364.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.24 : 142,685.58 = 69,884.92 : x
  2. Step 2: Convert to fraction form
    103,477.24/142,685.58 = 69,884.92/x
  3. Step 3: Cross multiply
    103,477.24x = 142,685.58 × 69,884.92
  4. Step 4: Simplify right side
    103,477.24x = 9,971,570,343.45
  5. Step 5: Solve for x
    x = 9,971,570,343.45/103,477.24
  6. Step 6: Final answer
    x = 96,364.87

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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.