Home / 131,477.63-181,444.47-74,119.11

Finding the Fourth Proportional to 131,477.63, 181,444.47 and 74,119.11

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Solution

The fourth proportional to 131,477.63, 181,444.47 and 74,119.11 is: 102,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,477.63 : 181,444.47 = 74,119.11 : x
  2. Step 2: Convert to fraction form
    131,477.63/181,444.47 = 74,119.11/x
  3. Step 3: Cross multiply
    131,477.63x = 181,444.47 × 74,119.11
  4. Step 4: Simplify right side
    131,477.63x = 13,448,502,630.82
  5. Step 5: Solve for x
    x = 13,448,502,630.82/131,477.63
  6. Step 6: Final answer
    x = 102,287.38

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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.