Home / 120,050.36-180,075.54-31,303.70

Finding the Fourth Proportional to 120,050.36, 180,075.54 and 31,303.70

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Solution

The fourth proportional to 120,050.36, 180,075.54 and 31,303.70 is: 46,955.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,050.36 : 180,075.54 = 31,303.70 : x
  2. Step 2: Convert to fraction form
    120,050.36/180,075.54 = 31,303.70/x
  3. Step 3: Cross multiply
    120,050.36x = 180,075.54 × 31,303.70
  4. Step 4: Simplify right side
    120,050.36x = 5,637,030,681.50
  5. Step 5: Solve for x
    x = 5,637,030,681.50/120,050.36
  6. Step 6: Final answer
    x = 46,955.55

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1.5x scale

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.