Home / 197,386.16-272,393.01-106,742.12

Finding the Fourth Proportional to 197,386.16, 272,393.01 and 106,742.12

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Solution

The fourth proportional to 197,386.16, 272,393.01 and 106,742.12 is: 147,304.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,386.16 : 272,393.01 = 106,742.12 : x
  2. Step 2: Convert to fraction form
    197,386.16/272,393.01 = 106,742.12/x
  3. Step 3: Cross multiply
    197,386.16x = 272,393.01 × 106,742.12
  4. Step 4: Simplify right side
    197,386.16x = 29,075,807,360.58
  5. Step 5: Solve for x
    x = 29,075,807,360.58/197,386.16
  6. Step 6: Final answer
    x = 147,304.18

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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.