Home / 149,328.12-223,914.42-70,421.16

Finding the Fourth Proportional to 149,328.12, 223,914.42 and 70,421.16

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Solution

The fourth proportional to 149,328.12, 223,914.42 and 70,421.16 is: 105,595.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,328.12 : 223,914.42 = 70,421.16 : x
  2. Step 2: Convert to fraction form
    149,328.12/223,914.42 = 70,421.16/x
  3. Step 3: Cross multiply
    149,328.12x = 223,914.42 × 70,421.16
  4. Step 4: Simplify right side
    149,328.12x = 15,768,313,197.13
  5. Step 5: Solve for x
    x = 15,768,313,197.13/149,328.12
  6. Step 6: Final answer
    x = 105,595.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.