Home / 98,493.60-136,838.73-97,312.62

Finding the Fourth Proportional to 98,493.60, 136,838.73 and 97,312.62

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Solution

The fourth proportional to 98,493.60, 136,838.73 and 97,312.62 is: 135,197.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,493.60 : 136,838.73 = 97,312.62 : x
  2. Step 2: Convert to fraction form
    98,493.60/136,838.73 = 97,312.62/x
  3. Step 3: Cross multiply
    98,493.60x = 136,838.73 × 97,312.62
  4. Step 4: Simplify right side
    98,493.60x = 13,316,135,333.77
  5. Step 5: Solve for x
    x = 13,316,135,333.77/98,493.60
  6. Step 6: Final answer
    x = 135,197.98

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.