Home / 97,987.32-135,237.60-55,536.84

Finding the Fourth Proportional to 97,987.32, 135,237.60 and 55,536.84

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Solution

The fourth proportional to 97,987.32, 135,237.60 and 55,536.84 is: 76,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,987.32 : 135,237.60 = 55,536.84 : x
  2. Step 2: Convert to fraction form
    97,987.32/135,237.60 = 55,536.84/x
  3. Step 3: Cross multiply
    97,987.32x = 135,237.60 × 55,536.84
  4. Step 4: Simplify right side
    97,987.32x = 7,510,668,953.18
  5. Step 5: Solve for x
    x = 7,510,668,953.18/97,987.32
  6. Step 6: Final answer
    x = 76,649.40

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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.