Home / 145,734.10-202,030.21-137,751.58

Finding the Fourth Proportional to 145,734.10, 202,030.21 and 137,751.58

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Solution

The fourth proportional to 145,734.10, 202,030.21 and 137,751.58 is: 190,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,734.10 : 202,030.21 = 137,751.58 : x
  2. Step 2: Convert to fraction form
    145,734.10/202,030.21 = 137,751.58/x
  3. Step 3: Cross multiply
    145,734.10x = 202,030.21 × 137,751.58
  4. Step 4: Simplify right side
    145,734.10x = 27,829,980,635.23
  5. Step 5: Solve for x
    x = 27,829,980,635.23/145,734.10
  6. Step 6: Final answer
    x = 190,964.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.