Home / 86,774.12-130,114.45-46,814.55

Finding the Fourth Proportional to 86,774.12, 130,114.45 and 46,814.55

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Solution

The fourth proportional to 86,774.12, 130,114.45 and 46,814.55 is: 70,196.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,774.12 : 130,114.45 = 46,814.55 : x
  2. Step 2: Convert to fraction form
    86,774.12/130,114.45 = 46,814.55/x
  3. Step 3: Cross multiply
    86,774.12x = 130,114.45 × 46,814.55
  4. Step 4: Simplify right side
    86,774.12x = 6,091,249,425.25
  5. Step 5: Solve for x
    x = 6,091,249,425.25/86,774.12
  6. Step 6: Final answer
    x = 70,196.61

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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.