Home / 97,779.12-134,937.10-63,809.34

Finding the Fourth Proportional to 97,779.12, 134,937.10 and 63,809.34

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Solution

The fourth proportional to 97,779.12, 134,937.10 and 63,809.34 is: 88,058.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,779.12 : 134,937.10 = 63,809.34 : x
  2. Step 2: Convert to fraction form
    97,779.12/134,937.10 = 63,809.34/x
  3. Step 3: Cross multiply
    97,779.12x = 134,937.10 × 63,809.34
  4. Step 4: Simplify right side
    97,779.12x = 8,610,247,292.51
  5. Step 5: Solve for x
    x = 8,610,247,292.51/97,779.12
  6. Step 6: Final answer
    x = 88,058.14

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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.