Home / 97,090.98-133,953.51-79,155.15

Finding the Fourth Proportional to 97,090.98, 133,953.51 and 79,155.15

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Solution

The fourth proportional to 97,090.98, 133,953.51 and 79,155.15 is: 109,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,090.98 : 133,953.51 = 79,155.15 : x
  2. Step 2: Convert to fraction form
    97,090.98/133,953.51 = 79,155.15/x
  3. Step 3: Cross multiply
    97,090.98x = 133,953.51 × 79,155.15
  4. Step 4: Simplify right side
    97,090.98x = 10,603,110,177.08
  5. Step 5: Solve for x
    x = 10,603,110,177.08/97,090.98
  6. Step 6: Final answer
    x = 109,207.98

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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.