Home / 130,742.19-180,364.23-77,001.45

Finding the Fourth Proportional to 130,742.19, 180,364.23 and 77,001.45

Calculator

Solution

The fourth proportional to 130,742.19, 180,364.23 and 77,001.45 is: 106,226.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,742.19 : 180,364.23 = 77,001.45 : x
  2. Step 2: Convert to fraction form
    130,742.19/180,364.23 = 77,001.45/x
  3. Step 3: Cross multiply
    130,742.19x = 180,364.23 × 77,001.45
  4. Step 4: Simplify right side
    130,742.19x = 13,888,307,238.13
  5. Step 5: Solve for x
    x = 13,888,307,238.13/130,742.19
  6. Step 6: Final answer
    x = 106,226.67

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.