Home / 121,267.65-181,834.53-56,281.21

Finding the Fourth Proportional to 121,267.65, 181,834.53 and 56,281.21

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Solution

The fourth proportional to 121,267.65, 181,834.53 and 56,281.21 is: 84,390.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,267.65 : 181,834.53 = 56,281.21 : x
  2. Step 2: Convert to fraction form
    121,267.65/181,834.53 = 56,281.21/x
  3. Step 3: Cross multiply
    121,267.65x = 181,834.53 × 56,281.21
  4. Step 4: Simplify right side
    121,267.65x = 10,233,866,518.37
  5. Step 5: Solve for x
    x = 10,233,866,518.37/121,267.65
  6. Step 6: Final answer
    x = 84,390.73

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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.