Home / 97,477.34-145,883.33-81,700.18

Finding the Fourth Proportional to 97,477.34, 145,883.33 and 81,700.18

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Solution

The fourth proportional to 97,477.34, 145,883.33 and 81,700.18 is: 122,271.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,477.34 : 145,883.33 = 81,700.18 : x
  2. Step 2: Convert to fraction form
    97,477.34/145,883.33 = 81,700.18/x
  3. Step 3: Cross multiply
    97,477.34x = 145,883.33 × 81,700.18
  4. Step 4: Simplify right side
    97,477.34x = 11,918,693,590.58
  5. Step 5: Solve for x
    x = 11,918,693,590.58/97,477.34
  6. Step 6: Final answer
    x = 122,271.43

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1.5x scale

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.