Home / 103,693.64-143,089.08-61,244.24

Finding the Fourth Proportional to 103,693.64, 143,089.08 and 61,244.24

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Solution

The fourth proportional to 103,693.64, 143,089.08 and 61,244.24 is: 84,512.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,693.64 : 143,089.08 = 61,244.24 : x
  2. Step 2: Convert to fraction form
    103,693.64/143,089.08 = 61,244.24/x
  3. Step 3: Cross multiply
    103,693.64x = 143,089.08 × 61,244.24
  4. Step 4: Simplify right side
    103,693.64x = 8,763,381,956.90
  5. Step 5: Solve for x
    x = 8,763,381,956.90/103,693.64
  6. Step 6: Final answer
    x = 84,512.24

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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.