Home / 228,075.16-314,755.62-137,459.80

Finding the Fourth Proportional to 228,075.16, 314,755.62 and 137,459.80

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Solution

The fourth proportional to 228,075.16, 314,755.62 and 137,459.80 is: 189,701.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,075.16 : 314,755.62 = 137,459.80 : x
  2. Step 2: Convert to fraction form
    228,075.16/314,755.62 = 137,459.80/x
  3. Step 3: Cross multiply
    228,075.16x = 314,755.62 × 137,459.80
  4. Step 4: Simplify right side
    228,075.16x = 43,266,244,574.08
  5. Step 5: Solve for x
    x = 43,266,244,574.08/228,075.16
  6. Step 6: Final answer
    x = 189,701.70

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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.