Home / 147,012.57-202,807.80-99,282.51

Finding the Fourth Proportional to 147,012.57, 202,807.80 and 99,282.51

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Solution

The fourth proportional to 147,012.57, 202,807.80 and 99,282.51 is: 136,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,012.57 : 202,807.80 = 99,282.51 : x
  2. Step 2: Convert to fraction form
    147,012.57/202,807.80 = 99,282.51/x
  3. Step 3: Cross multiply
    147,012.57x = 202,807.80 × 99,282.51
  4. Step 4: Simplify right side
    147,012.57x = 20,135,267,431.58
  5. Step 5: Solve for x
    x = 20,135,267,431.58/147,012.57
  6. Step 6: Final answer
    x = 136,962.90

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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.