Home / 86,900.61-130,400.22-46,919.06

Finding the Fourth Proportional to 86,900.61, 130,400.22 and 46,919.06

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Solution

The fourth proportional to 86,900.61, 130,400.22 and 46,919.06 is: 70,405.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,900.61 : 130,400.22 = 46,919.06 : x
  2. Step 2: Convert to fraction form
    86,900.61/130,400.22 = 46,919.06/x
  3. Step 3: Cross multiply
    86,900.61x = 130,400.22 × 46,919.06
  4. Step 4: Simplify right side
    86,900.61x = 6,118,255,094.19
  5. Step 5: Solve for x
    x = 6,118,255,094.19/86,900.61
  6. Step 6: Final answer
    x = 70,405.21

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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.