Home / 134,421.63-185,480.13-77,050.38

Finding the Fourth Proportional to 134,421.63, 185,480.13 and 77,050.38

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Solution

The fourth proportional to 134,421.63, 185,480.13 and 77,050.38 is: 106,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,421.63 : 185,480.13 = 77,050.38 : x
  2. Step 2: Convert to fraction form
    134,421.63/185,480.13 = 77,050.38/x
  3. Step 3: Cross multiply
    134,421.63x = 185,480.13 × 77,050.38
  4. Step 4: Simplify right side
    134,421.63x = 14,291,314,962.65
  5. Step 5: Solve for x
    x = 14,291,314,962.65/134,421.63
  6. Step 6: Final answer
    x = 106,317.08

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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.