Home / 101,507.06-140,077.40-56,182.28

Finding the Fourth Proportional to 101,507.06, 140,077.40 and 56,182.28

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Solution

The fourth proportional to 101,507.06, 140,077.40 and 56,182.28 is: 77,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,507.06 : 140,077.40 = 56,182.28 : x
  2. Step 2: Convert to fraction form
    101,507.06/140,077.40 = 56,182.28/x
  3. Step 3: Cross multiply
    101,507.06x = 140,077.40 × 56,182.28
  4. Step 4: Simplify right side
    101,507.06x = 7,869,867,708.47
  5. Step 5: Solve for x
    x = 7,869,867,708.47/101,507.06
  6. Step 6: Final answer
    x = 77,530.25

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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.