Home / 97,967.04-135,223.25-63,980.66

Finding the Fourth Proportional to 97,967.04, 135,223.25 and 63,980.66

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Solution

The fourth proportional to 97,967.04, 135,223.25 and 63,980.66 is: 88,312.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,967.04 : 135,223.25 = 63,980.66 : x
  2. Step 2: Convert to fraction form
    97,967.04/135,223.25 = 63,980.66/x
  3. Step 3: Cross multiply
    97,967.04x = 135,223.25 × 63,980.66
  4. Step 4: Simplify right side
    97,967.04x = 8,651,672,782.35
  5. Step 5: Solve for x
    x = 8,651,672,782.35/97,967.04
  6. Step 6: Final answer
    x = 88,312.08

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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.