Home / 91,220.60-136,502.85-61,696.10

Finding the Fourth Proportional to 91,220.60, 136,502.85 and 61,696.10

Calculator

Solution

The fourth proportional to 91,220.60, 136,502.85 and 61,696.10 is: 92,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,220.60 : 136,502.85 = 61,696.10 : x
  2. Step 2: Convert to fraction form
    91,220.60/136,502.85 = 61,696.10/x
  3. Step 3: Cross multiply
    91,220.60x = 136,502.85 × 61,696.10
  4. Step 4: Simplify right side
    91,220.60x = 8,421,693,483.89
  5. Step 5: Solve for x
    x = 8,421,693,483.89/91,220.60
  6. Step 6: Final answer
    x = 92,322.28

Related Problems

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.