Home / 177,853.40-266,681.64-72,746.20

Finding the Fourth Proportional to 177,853.40, 266,681.64 and 72,746.20

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Solution

The fourth proportional to 177,853.40, 266,681.64 and 72,746.20 is: 109,079.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853.40 : 266,681.64 = 72,746.20 : x
  2. Step 2: Convert to fraction form
    177,853.40/266,681.64 = 72,746.20/x
  3. Step 3: Cross multiply
    177,853.40x = 266,681.64 × 72,746.20
  4. Step 4: Simplify right side
    177,853.40x = 19,400,075,919.77
  5. Step 5: Solve for x
    x = 19,400,075,919.77/177,853.40
  6. Step 6: Final answer
    x = 109,079.03

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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.