Home / 101,835.27-140,521.14-56,501.46

Finding the Fourth Proportional to 101,835.27, 140,521.14 and 56,501.46

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Solution

The fourth proportional to 101,835.27, 140,521.14 and 56,501.46 is: 77,965.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,835.27 : 140,521.14 = 56,501.46 : x
  2. Step 2: Convert to fraction form
    101,835.27/140,521.14 = 56,501.46/x
  3. Step 3: Cross multiply
    101,835.27x = 140,521.14 × 56,501.46
  4. Step 4: Simplify right side
    101,835.27x = 7,939,649,570.86
  5. Step 5: Solve for x
    x = 7,939,649,570.86/101,835.27
  6. Step 6: Final answer
    x = 77,965.62

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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.