Home / 157,655.40-217,565.22-86,036.91

Finding the Fourth Proportional to 157,655.40, 217,565.22 and 86,036.91

Calculator

Solution

The fourth proportional to 157,655.40, 217,565.22 and 86,036.91 is: 118,731.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,655.40 : 217,565.22 = 86,036.91 : x
  2. Step 2: Convert to fraction form
    157,655.40/217,565.22 = 86,036.91/x
  3. Step 3: Cross multiply
    157,655.40x = 217,565.22 × 86,036.91
  4. Step 4: Simplify right side
    157,655.40x = 18,718,639,252.27
  5. Step 5: Solve for x
    x = 18,718,639,252.27/157,655.40
  6. Step 6: Final answer
    x = 118,731.35

Related Problems

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.