Home / 130,510.36-180,099.06-73,918.36

Finding the Fourth Proportional to 130,510.36, 180,099.06 and 73,918.36

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Solution

The fourth proportional to 130,510.36, 180,099.06 and 73,918.36 is: 102,004.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,510.36 : 180,099.06 = 73,918.36 : x
  2. Step 2: Convert to fraction form
    130,510.36/180,099.06 = 73,918.36/x
  3. Step 3: Cross multiply
    130,510.36x = 180,099.06 × 73,918.36
  4. Step 4: Simplify right side
    130,510.36x = 13,312,627,152.74
  5. Step 5: Solve for x
    x = 13,312,627,152.74/130,510.36
  6. Step 6: Final answer
    x = 102,004.37

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1.5x scale

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.