Home / 97,260.28-145,699.98-86,681.32

Finding the Fourth Proportional to 97,260.28, 145,699.98 and 86,681.32

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Solution

The fourth proportional to 97,260.28, 145,699.98 and 86,681.32 is: 129,852.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,260.28 : 145,699.98 = 86,681.32 : x
  2. Step 2: Convert to fraction form
    97,260.28/145,699.98 = 86,681.32/x
  3. Step 3: Cross multiply
    97,260.28x = 145,699.98 × 86,681.32
  4. Step 4: Simplify right side
    97,260.28x = 12,629,466,590.37
  5. Step 5: Solve for x
    x = 12,629,466,590.37/97,260.28
  6. Step 6: Final answer
    x = 129,852.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.