Home / 212,267.49-292,855.55-131,666.01

Finding the Fourth Proportional to 212,267.49, 292,855.55 and 131,666.01

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Solution

The fourth proportional to 212,267.49, 292,855.55 and 131,666.01 is: 181,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,267.49 : 292,855.55 = 131,666.01 : x
  2. Step 2: Convert to fraction form
    212,267.49/292,855.55 = 131,666.01/x
  3. Step 3: Cross multiply
    212,267.49x = 292,855.55 × 131,666.01
  4. Step 4: Simplify right side
    212,267.49x = 38,559,121,116.53
  5. Step 5: Solve for x
    x = 38,559,121,116.53/212,267.49
  6. Step 6: Final answer
    x = 181,653.45

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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.