Home / 131,484.09-181,448.04-71,054.76

Finding the Fourth Proportional to 131,484.09, 181,448.04 and 71,054.76

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Solution

The fourth proportional to 131,484.09, 181,448.04 and 71,054.76 is: 98,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,484.09 : 181,448.04 = 71,054.76 : x
  2. Step 2: Convert to fraction form
    131,484.09/181,448.04 = 71,054.76/x
  3. Step 3: Cross multiply
    131,484.09x = 181,448.04 × 71,054.76
  4. Step 4: Simplify right side
    131,484.09x = 12,892,746,934.67
  5. Step 5: Solve for x
    x = 12,892,746,934.67/131,484.09
  6. Step 6: Final answer
    x = 98,055.57

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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.