Home / 91,518.16-126,295.11-51,232

Finding the Fourth Proportional to 91,518.16, 126,295.11 and 51,232

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Solution

The fourth proportional to 91,518.16, 126,295.11 and 51,232 is: 70,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,518.16 : 126,295.11 = 51,232 : x
  2. Step 2: Convert to fraction form
    91,518.16/126,295.11 = 51,232/x
  3. Step 3: Cross multiply
    91,518.16x = 126,295.11 × 51,232
  4. Step 4: Simplify right side
    91,518.16x = 6,470,351,075.52
  5. Step 5: Solve for x
    x = 6,470,351,075.52/91,518.16
  6. Step 6: Final answer
    x = 70,700.19

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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.