Home / 147,656.40-221,484.60-103,419.60

Finding the Fourth Proportional to 147,656.40, 221,484.60 and 103,419.60

Calculator

Solution

The fourth proportional to 147,656.40, 221,484.60 and 103,419.60 is: 155,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,656.40 : 221,484.60 = 103,419.60 : x
  2. Step 2: Convert to fraction form
    147,656.40/221,484.60 = 103,419.60/x
  3. Step 3: Cross multiply
    147,656.40x = 221,484.60 × 103,419.60
  4. Step 4: Simplify right side
    147,656.40x = 22,905,848,738.16
  5. Step 5: Solve for x
    x = 22,905,848,738.16/147,656.40
  6. Step 6: Final answer
    x = 155,129.40

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.