Home / 131,856.23-197,784.35-87,569.48

Finding the Fourth Proportional to 131,856.23, 197,784.35 and 87,569.48

Calculator

Solution

The fourth proportional to 131,856.23, 197,784.35 and 87,569.48 is: 131,354.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,856.23 : 197,784.35 = 87,569.48 : x
  2. Step 2: Convert to fraction form
    131,856.23/197,784.35 = 87,569.48/x
  3. Step 3: Cross multiply
    131,856.23x = 197,784.35 × 87,569.48
  4. Step 4: Simplify right side
    131,856.23x = 17,319,872,681.64
  5. Step 5: Solve for x
    x = 17,319,872,681.64/131,856.23
  6. Step 6: Final answer
    x = 131,354.22

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.