Home / 107,346.36-148,116.42-64,907.40

Finding the Fourth Proportional to 107,346.36, 148,116.42 and 64,907.40

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Solution

The fourth proportional to 107,346.36, 148,116.42 and 64,907.40 is: 89,559.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,346.36 : 148,116.42 = 64,907.40 : x
  2. Step 2: Convert to fraction form
    107,346.36/148,116.42 = 64,907.40/x
  3. Step 3: Cross multiply
    107,346.36x = 148,116.42 × 64,907.40
  4. Step 4: Simplify right side
    107,346.36x = 9,613,851,719.51
  5. Step 5: Solve for x
    x = 9,613,851,719.51/107,346.36
  6. Step 6: Final answer
    x = 89,559.18

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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.