Home / 191,506.60-287,259.90-51,279.40

Finding the Fourth Proportional to 191,506.60, 287,259.90 and 51,279.40

Calculator

Solution

The fourth proportional to 191,506.60, 287,259.90 and 51,279.40 is: 76,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,506.60 : 287,259.90 = 51,279.40 : x
  2. Step 2: Convert to fraction form
    191,506.60/287,259.90 = 51,279.40/x
  3. Step 3: Cross multiply
    191,506.60x = 287,259.90 × 51,279.40
  4. Step 4: Simplify right side
    191,506.60x = 14,730,515,316.06
  5. Step 5: Solve for x
    x = 14,730,515,316.06/191,506.60
  6. Step 6: Final answer
    x = 76,919.10

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.