Home / 122,341.10-183,511.65-103,678.70

Finding the Fourth Proportional to 122,341.10, 183,511.65 and 103,678.70

Calculator

Solution

The fourth proportional to 122,341.10, 183,511.65 and 103,678.70 is: 155,518.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,341.10 : 183,511.65 = 103,678.70 : x
  2. Step 2: Convert to fraction form
    122,341.10/183,511.65 = 103,678.70/x
  3. Step 3: Cross multiply
    122,341.10x = 183,511.65 × 103,678.70
  4. Step 4: Simplify right side
    122,341.10x = 19,026,249,306.86
  5. Step 5: Solve for x
    x = 19,026,249,306.86/122,341.10
  6. Step 6: Final answer
    x = 155,518.05

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.