Home / 130,852.14-180,571.59-77,136.18

Finding the Fourth Proportional to 130,852.14, 180,571.59 and 77,136.18

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Solution

The fourth proportional to 130,852.14, 180,571.59 and 77,136.18 is: 106,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,852.14 : 180,571.59 = 77,136.18 : x
  2. Step 2: Convert to fraction form
    130,852.14/180,571.59 = 77,136.18/x
  3. Step 3: Cross multiply
    130,852.14x = 180,571.59 × 77,136.18
  4. Step 4: Simplify right side
    130,852.14x = 13,928,602,669.13
  5. Step 5: Solve for x
    x = 13,928,602,669.13/130,852.14
  6. Step 6: Final answer
    x = 106,445.36

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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.